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Boston GearRF752-20F-B11-H

RF752-20F-B11-H

700 Series C-Face Coupled Reducer
Item #101854647
  • 5 5/32" Center Distance
  • 20:1 Ratio
  • 210TC or 250UC Frame
  • w/Fan
  • C-Face Coupled Input
  • Left & Right Output
  • Universal Worm Position
  • No Lubricant
  • Cast Iron
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Boston GearRF752-20F-B11-H
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    Shipment Options
  • 5 5/32" Center Distance
  • 20:1 Ratio
  • 210TC or 250UC Frame
  • w/Fan
  • C-Face Coupled Input

features

  • Large oil reservoir provides efficient heat dissipation and lubrication for longer life
  • Housing is straddle milled top and bottom for precise alignment
  • Internal baffles ensure positive, leak-free venting
  • Rugged housing fabricated of fine-grained cast iron for maximum strength and greater precision during worm and gear alignment
  • Bronze worm gear is straddle mounted between heavy-duty tapered roller bearings to increase thrust and load capacities on size 713 to 760
  • High strength steel output shaft ensures capacity for high torque
  • Pipe plugs allow easy fill, level and drain in any mounting position
  • Super finished oil seal diameters on both input and output shafts extend seal life

caution

  • Steel housings must be used for operating pressures above 210 bar (3,000 psi)
Family Name RF
Bolt Centers w/ Std. Base Kit (in) 14 1/8 x 8 3/8
Thermal Input Horsepower @ 1750 RPM N/A
Torque Out @ 1150 rpm 4325 in lb
Bolt Center 11" x 5 13/16"
Output (Shaft or Bore) Size 2 in
Base to Shaft Center Height w/Std. Base Kit 6.44 in
Frame 210TC, 250UC
Input Configuration C-Face Coupled
Output Configuration Left & Right Output
Input HP @ RPM 8.7 hp @ 1150 rpm, 12.74 hp @ 1750 rpm
Box Height 13 3/4 in
Washdown Duty No
Box Width 9 21/32 in
Base to Centerline of Input Shaft 10.5 in
Max. Overhung Load @ 1750 rpm 2200 lb/in
Output RPM @ Input RPM 88 rpm @ 1750 rpm
Keyway Size 5/16 x 5/32
Max. Thrust Load @ RPM 1900 lb/in @ 1150 rpm, 1900 lb/in @ 1750 rpm
Bolt Centers w/ Vertical Base Kits (in) 18.00 x 10.00
Max. Thrust Load @ 1150 rpm 1900 lb/in
Worm Position Universal
Output Torque @ RPM 4325 in lb @ 1150 rpm, 8075 in lb @ 1750 rpm
HP @ RPM 10 hp @ 1800 rpm
Output RPM @ 1750 rpm Input 87.5 rpm
Housing Material Cast Iron
Motor HP 10 hp
Motor Application General Purpose
Max. Overhung Load @ RPM 2200 lb/in @ 1150 rpm, 2200 lb/in @ 1750 rpm
Ratio 20:1
Bore Code B11
Max. Input HP @ 100 rpm 1.18 hp
Base to Shaft Center Height w/High Vert. Base Kit 8.63 in
Torque Out @ 1750 rpm 8075 in lb
Installed Options Fan
Shaft Assembly Code H
Input (Shaft or Bore) Size 1 3/8 in
Base to Shaft Center Height w/Low Vert. Base Kit 6.38 in
Reduction Type Single Reduction
Box Length 13 1/8 in
Center Distance 5 5/32 in
Frame Size 210TC, 250UC
Base to Centerline of Output Shaft 5.3125 in
Lubrication None
Fan Cooled Yes
Weight 216.1 LB
EAN or UPC 781711467831
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